#include<bits/stdc++.h>
#define endl '\n'
#define debug(x) cerr<<#x<<':'<<x<<endl
#define IOS ios::sync_with_stdio(0),cin.tie(0),cout.tie(0)
using namespace std;
const int N=15;
int n,m;
vector<int> G[N],T[N];
int f[N],p[N];
signed main(){
	freopen("circ.in","r",stdin);
	freopen("circ.out","w",stdout);
    cout<<"Hello World!";
    return 0;
}